
CVE catalog
CVE-2026-40959
UBUNTU-CVE-2026-40959
- Severity
- Critical · CVSS 9.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.18% · Oct 25, 2026
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | luanti | 13 | 5.10.0+dfsg-5 | vulnerable |
| Debian | luanti | 13 | 5.10.0+dfsg-5+deb13u1 | fixed |
| Debian | luanti | 14 | 5.10.0+dfsg-5 | vulnerable |
| Debian | luanti | 14 | 5.14.0+dfsg-1 | vulnerable |
| Debian | luanti | 14 | 5.14.0+dfsg-2 | vulnerable |
| Debian | luanti | 14 | 5.14.0+dfsg-3 | vulnerable |
| Debian | luanti | 14 | 5.15.1+dfsg-1 | vulnerable |
| Debian | luanti | 14 | 5.15.1+dfsg-2 | vulnerable |
| Debian | luanti | 14 | 5.15.2+dfsg-1 | fixed |
| Ubuntu | luanti | 25.10 | 5.10.0+dfsg-5 | vulnerable |
| Ubuntu | luanti | 25.10 | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | fixed |
| Ubuntu | luanti | 26.04 | 5.10.0+dfsg-5 | vulnerable |
| Ubuntu | luanti | 26.04 | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | fixed |
| Ubuntu | luanti | 25.10 | 5.10.0+dfsg-5 | vulnerable |
| Ubuntu | luanti | 25.10 | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | fixed |
| Ubuntu | luanti | 26.04 | 5.10.0+dfsg-5 | vulnerable |
| Ubuntu | luanti | 26.04 | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | luanti | deb | 13 | 5.10.0+dfsg-5+deb13u1 | Not reported | DEBIAN-CVE-2026-40959 | Not reported |
| Debian | luanti | deb | 14 | 5.15.2+dfsg-1 | Not reported | DEBIAN-CVE-2026-40959 | Not reported |
| Ubuntu | luanti | deb | 25.10 | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | Not reported | USN-8366-1 | Not reported |
| Ubuntu | luanti | deb | 26.04 | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | Not reported | USN-8366-1 | Not reported |
| Ubuntu | luanti | deb | 25.10 | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | Not reported | UBUNTU-CVE-2026-40959 | Not reported |
| Ubuntu | luanti | deb | 26.04 | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | Not reported | UBUNTU-CVE-2026-40959 | Not reported |
OpenFactory catalog packages
[Debian 13 (Trixie)]
- [luanti]Fixed
Details (4)
5.10.0+dfsg-5+deb13u1· amd64 · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· arm64 · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· amd64 · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· arm64 · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
- [luanti-data]Fixed
Source package: [luanti]
Details (4)
5.10.0+dfsg-5+deb13u1· all · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
- [luanti-server]Fixed
Source package: [luanti]
Details (4)
5.10.0+dfsg-5+deb13u1· amd64 · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· arm64 · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· amd64 · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· arm64 · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
- [minetest]Fixed
Source package: [luanti]
Details (4)
5.10.0+dfsg-5+deb13u1· all · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
- [minetest-data]Fixed
Source package: [luanti]
Details (4)
5.10.0+dfsg-5+deb13u1· all · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
- [minetest-server]Fixed
Source package: [luanti]
Details (4)
5.10.0+dfsg-5+deb13u1· all · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixieFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
5.10.0+dfsg-5+deb13u1· all · trixie-securityFixed · Fixed:
5.10.0+dfsg-5+deb13u1pypi · luanti · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-40959]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-40959]
- [https://osv.dev/vulnerability/USN-8366-1]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40959.json]
[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]